Rubeus
CertPotato – Using ADCS to privesc from virtual and network service accounts to local system
The goal of this blog post is to present a privilege escalation I found while working on ADCS. We will see how it is possible to elevate our privileges to NT AUTHORITY\SYSTEM from virtual and network service accounts of a domain-joined machine (for example from a webshell on a Windows server) using ADCS. I want to call this attack chain “CertPotato” as homage to other *Potato tools and as a…
DirectAccess and Kerberos Resource-based Constrained Delegation
Are you tired of working from home due to COVID? While this is quite a unique situation we find ourselves in, it also provides some fresh opportunities. Lately we have assessed several environments that was meant to provide a secure way for working from home. For one specific engagement, a client delivered one of their laptops that was domain joined. The laptop was accompanied with credentials of a low privilege…
Chaining multiple techniques and tools for domain takeover using RBCD
Intro In this blog post I want to show a simulation of a real-world Resource Based Constrained Delegation attack scenario that could be used to escalate privileges on an Active Directory domain. I recently faced a network that had had several assessments done before. Luckily for me, before this engagement I had used some of my research time to understand more advanced Active Directory attack concepts. This blog post isn’t…
Page 1 of 1